FlyKan 2X H13 to H4 Warning Error Decoder Canceller Capacitor Anti-Flicker Harness for LED Headlight Systems - Pair H13 to H4 decoder, H13 to H4 flicker, 1 pair (2 pieces) H13 to H4 adapter anti flicker,Easy Installation, simply peel and apply H13 to H4 adapter for jeep jk, Compatible with JW Speaker 8700, Truck-Lite 27270C and any other 7-Inch Round Shape LED Headlights Permanently resolve the annoying LED headlight flickering problem.H13 to H4 flicker. H13 to H4 warning error canceller, Cancel Error Message cause by OBC (On-Board Computer) Check. Cancel Hyper Blink on LED Headlight